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Σάββατο 20 Ιουλίου 2019


Screening baseline characteristics of early lung cancer on low-dose computed tomography with computer-aided detection in a Chinese population
Publication date: October 2019
Source: Cancer Epidemiology, Volume 62
Author(s): Yuanyuan Liu, Hongbin Luo, Haomiao Qing, Xiaodong Wang, Jing Ren, Guohui Xu, Shibei Hu, Changjiu He, Peng Zhou
Abstract
Objectives
This study investigated appropriate baseline characteristics for screening a Chinese population at high risk of early lung cancer, assisted by low-dose computed tomography (LDCT) with computer-aided detection (CAD). Included is a discussion of the viability of using LDCT in the screening guideline and optimizing the guideline.
Methods
In 2014, 1016 individuals from Sichuan Province were enrolled who satisfied the criteria for high risk according to the 2013 National Comprehensive Cancer Network (NCCN) Guidelines for Non-Small Cell Lung Cancer. From 2014 to 2018, each subject was followed using LDCT with CAD, and pathologically confirmed lung cancers and baseline nodule characteristics (size and density) were recorded. Positive risk was considered a non-calcified solid or part-solid nodule on LDCT with diameter ≥5 mm and ground-glass nodule ≥8 mm, as newly recommended by the China National Lung Cancer Screening Guideline.
Results
From 2014–2018, 13 cases of lung cancer were detected; 5 of these were early stage (38.5%). According to the NCCN criteria, 54 women were included and one of these (1.8%) developed lung cancer. The prevalence of lung cancer was 0.7% at baseline. For the entire population (excluding subjects with a tumor mass at baseline, n = 4), the rate of positivity was 20.4% at baseline; applying the Chinese criteria, the false positive rate was 19.5% (197/1012).
Conclusions
Further studies are warranted to establish appropriate eligible criteria and management strategies for Chinese populations.

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